Question

What are the disadvantages of friction ?​

Answer 1

Answer:

Disadvantages of Friction:

Friction produces unnecessary heat leading to the wastage of energy.

The force of friction acts in the opposite direction of motion, so friction slows down the motion of moving objects.

Forest fires are caused due to the friction between tree branches.

Answer 2

Answer:

Disadvantages -

➼ Reduces Efficiency of Machines.

➼ Damages machine by producing heat.

➼ Friction wears out the rubbing surfaces. They moving parts of old machines need replacement. Thus due to fiction, efficiency of machines is reduced.